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qtnfmac: SCAN results: retreive frame type information from "IE set" TLV

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"IE set" TLV carries the same information as
qlink_event_scan_result::frame_type. Convert the event to make use of
TLV and drop frame_type member.
While at it, make qlink_event_scan_result structure alignement-safe.

Signed-off-by: Igor Mitsyanko <igor.mitsyanko.os@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Igor Mitsyanko 2017-10-30 18:04:51 -07:00 committed by Kalle Valo
parent 18b7470f92
commit 5face518d4
2 changed files with 14 additions and 22 deletions
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25
drivers/net/wireless/quantenna/qtnfmac/event.c
View File

@ -252,13 +252,12 @@ qtnf_event_handle_scan_results(struct qtnf_vif *vif,
struct cfg80211_bss *bss;
struct ieee80211_channel *channel;
struct wiphy *wiphy = priv_to_wiphy(vif->mac);
enum cfg80211_bss_frame_type frame_type;
enum cfg80211_bss_frame_type frame_type = CFG80211_BSS_FTYPE_UNKNOWN;
size_t payload_len;
u16 tlv_type;
u16 tlv_value_len;
size_t tlv_full_len;
const struct qlink_tlv_hdr *tlv;
const u8 *ies = NULL;
size_t ies_len = 0;
@ -275,17 +274,6 @@ qtnf_event_handle_scan_results(struct qtnf_vif *vif,
return -EINVAL;
}
switch (sr->frame_type) {
case QLINK_BSS_FTYPE_BEACON:
frame_type = CFG80211_BSS_FTYPE_BEACON;
break;
case QLINK_BSS_FTYPE_PRESP:
frame_type = CFG80211_BSS_FTYPE_PRESP;
break;
default:
frame_type = CFG80211_BSS_FTYPE_UNKNOWN;
}
payload_len = len - sizeof(*sr);
tlv = (struct qlink_tlv_hdr *)sr->payload;
@ -308,6 +296,17 @@ qtnf_event_handle_scan_results(struct qtnf_vif *vif,
ie_len = tlv_value_len -
(sizeof(*ie_set) - sizeof(ie_set->hdr));
switch (ie_set->type) {
case QLINK_IE_SET_BEACON_IES:
frame_type = CFG80211_BSS_FTYPE_BEACON;
break;
case QLINK_IE_SET_PROBE_RESP_IES:
frame_type = CFG80211_BSS_FTYPE_PRESP;
break;
default:
frame_type = CFG80211_BSS_FTYPE_UNKNOWN;
}
if (ie_len) {
ies = ie_set->ie_data;
ies_len = ie_len;

11
drivers/net/wireless/quantenna/qtnfmac/qlink.h
View File

@ -881,12 +881,6 @@ struct qlink_event_rxmgmt {
u8 frame_data[0];
} __packed;
enum qlink_frame_type {
QLINK_BSS_FTYPE_UNKNOWN,
QLINK_BSS_FTYPE_BEACON,
QLINK_BSS_FTYPE_PRESP,
};
/**
* struct qlink_event_scan_result - data for QLINK_EVENT_SCAN_RESULTS event
*
@ -896,7 +890,6 @@ enum qlink_frame_type {
* @capab: capabilities field.
* @bintval: beacon interval announced by discovered BSS.
* @signal: signal strength.
* @frame_type: frame type used to get scan result, see &enum qlink_frame_type.
* @bssid: BSSID announced by discovered BSS.
* @ssid_len: length of SSID announced by BSS.
* @ssid: SSID announced by discovered BSS.
@ -909,10 +902,10 @@ struct qlink_event_scan_result {
__le16 capab;
__le16 bintval;
s8 signal;
u8 frame_type;
u8 bssid[ETH_ALEN];
u8 ssid_len;
u8 ssid[IEEE80211_MAX_SSID_LEN];
u8 bssid[ETH_ALEN];
u8 rsvd[2];
u8 payload[0];
} __packed;